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This post is from Tuesday's failed launch attempt. To follow our coverage of Sunday's second launch attempt,go here.

Red Bull Stratos, a project five years in the making, will try to take flight today. Skydiver Felix Baumgartner will fall from near-space about 23 miles above the Earth’s surface, breaking the speed of sound in the process. He will be the first free-falling human to break the sound barrier. Baumgartner will also collect three other world records: highest manned balloon flight, highest altitude jump (both will be 120,000 feet) and longest time in free fall (about five-and-a-half minutes).

The team’s plan to launch this morning was delayed by windy conditions, but Baumgartner is suited up and ready to go. Follow our live updates below by refreshing your browser; all times are EST.

1:50PM Baumgartner’s helmet is off and he is clearly disappointed he won’t be jumping today. We are also disappointed, but we’ll be back here again when Baumgartner and team try to launch once more. Be sure to join us!

1:48PM Mission control says launch is the second-most dangerous part of mission (second to the actual jump), and even slight winds can be disastrous. Red Bull Stratos team will try again tomorrow, though weather is far from certain.

1:44PM Disappointing result for everyone today, especially after waiting five hours from this morning’s original launch time.

1:42PM And it’s an abort mission for today. Strong gusts of winds were clearly whipping the helium balloon around, and there are concerns that with such a large balloon the wind could put Baumgartner in serious danger.

1:38PM We catch sight of Baumgartner, suited up and strapped into his capsule, and Kittinger, who is in Mission Control and on the radio with our fearless diver.

1:36PM And the official broadcast goes live! We get our first sight of the balloon, still being filled.

1:34PM As we wait, a few cool factoids about Baumgartner: holds record for lowest BASE jump (off hand of Christ the Redeemer in Brazil, just 95 feet up) and was the first person to BASE jump off Taipei 101, tallest completed building in world.

1:30PMLive stream turns to a five-minute countdown clock, launch is only minutes away and we should hopefully be getting audio from official broadcast soon.

1:27PM “I am strapped into the capsule, and I am ready to go,” reportsBaumgartner to Joe Kittinger, who currently holds high altitude jump record (102,800 feet) and is in Mission Control today.

1:25PM The balloon, just 0.0008 inches thick, is being filled with helium. The unfilled balloon weighs 3,708 pounds and would cover 40 acres if laid flat.